AMD Radeon HD 6850 1440SP Edition vs ATI Radeon HD 5770

VS

AMD Radeon HD 6850 1440SP Edition

ATI Radeon HD 5770

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 1440SP Edition and 1024MB VRAM Radeon HD 5770 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 1440SP Edition 's Advantages

Released 2 years and 10 months late

Larger VRAM bandwidth (128.0GB/s vs 76.80GB/s)

640 additional rendering cores

ATI Radeon HD 5770 's Advantages

Lower TDP (108W vs 151W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 1440SP Edition +53%

2.088 TFLOPS

Radeon HD 5770

1.36 TFLOPS

Radeon HD 6850 1440SP Edition

VS

Radeon HD 5770

Graphics Card

Aug 2012

Release Date

Oct 2009

Northern Islands

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

76.80GB/s

Render Config

18

Compute Units

10

-

1440

Shading Units

800

72

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.20 GPixel/s

Pixel Rate

13.60 GPixel/s

52.20 GTexel/s

Texture Rate

34.00 GTexel/s

-

2.088 TFLOPS

FP32 (float)

1360 GFLOPS

417.6 GFLOPS

FP64 (double)

-

Board Design

151W

TDP

108W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cypress

GPU Name

Juniper

Cypress PRO (215-0735043)

GPU Variant

Juniper XT (215-0754013)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

1.04 billion

334 mm²

Die Size

166 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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